html{
    font-family: "微软雅黑";
}

#up{
  position:fixed;
  left:5px;
  width:800px;
  height:70px;
  top:5px;
  background-color: #555555;
  color: white;
  font-size:30px;
}
ul li a {
	text-align: center;
	text-decoration: none;
	color: #FFFFFF;
	width: 168px;
	height: 48px;
	position: relative;
	top: -19px;
	left: -7px;
	display: block;
}
a:hover {
	background-color: #7B7B7B;
}

ul li {
	float: left;
	list-style: none;
}


#left{
	background-color: #555555;
	position: fixed;
	left: 20px;
	top: 188px;
	color: white;
	padding: 15px 32px;
	font-size: 20px;
	width: 100px;
}
#right{
  position:fixed;
  left:630px;
  top:200px;
}

#middle{
  position:fixed;
  width:380px;
  height: 250px;
  left:200px;
  top:100px;
  background-color: #555555;
  padding: 10px 20px;
  color:white;
}
#random1{
  font-size: 30px;
}
#random2{
  font-size: 200px;
  font-weight:bold;
  text-align: center ;
  vertical-align:middle;
}
#right>button{
  background-color: #555555; /* Green */
    border: none;
    color: white;
    padding: 15px 32px;
    text-align: center;
    text-decoration: none;
    display: inline-block;
    font-size: 24px;
}
#down{
	position: fixed;
	left: 8px;
	top: 450px;
}
#down>button{
	background-color: #555555; /* Green */
	border: none;
	color: white;
	padding-top: 15px;
	padding-right: 350px;
	padding-left: 350px;
	padding-bottom: 15px;
	text-align: center;
	text-decoration: none;
	display: inline-block;
	font-size: 25px;
}
#foot{
	position: fixed;
	bottom: 7px;
	left: 303px;
}
button {
	font-family: 微软雅黑;
}
#restart:hover{
	background-color: #B0B0B0;
}
#down #createButton:hover {
	background-color: #7A7A7A;
}
